package com.ruanxie.service.impl;

import com.ruanxie.service.TeachingService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

@Service//这个别忘了，声明是业务层，同时变为组件
@Slf4j
public class TeachingServiceImpl implements TeachingService {

}
